r300_translate_vertex_data_type(enum pipe_format format) {
uint32_t result = 0;
const struct util_format_description *desc;
+ unsigned i;
desc = util_format_description(format);
return R300_INVALID_FORMAT;
}
- switch (desc->channel[0].type) {
+ /* Find the first non-VOID channel. */
+ for (i = 0; i < 4; i++) {
+ if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
+ break;
+ }
+ }
+
+ switch (desc->channel[i].type) {
/* Half-floats, floats, doubles */
case UTIL_FORMAT_TYPE_FLOAT:
- switch (desc->channel[0].size) {
+ switch (desc->channel[i].size) {
case 16:
/* Supported only on RV350 and later. */
if (desc->nr_channels > 2) {
case UTIL_FORMAT_TYPE_UNSIGNED:
/* Signed ints */
case UTIL_FORMAT_TYPE_SIGNED:
- switch (desc->channel[0].size) {
+ switch (desc->channel[i].size) {
case 8:
result = R300_DATA_TYPE_BYTE;
break;
return R300_INVALID_FORMAT;
}
- if (desc->channel[0].type == UTIL_FORMAT_TYPE_SIGNED) {
+ if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) {
result |= R300_SIGNED;
}
- if (desc->channel[0].normalized) {
+ if (desc->channel[i].normalized) {
result |= R300_NORMALIZE;
}